Home / 107,974.05-161,888.18-57,381.45

Finding the Fourth Proportional to 107,974.05, 161,888.18 and 57,381.45

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Solution

The fourth proportional to 107,974.05, 161,888.18 and 57,381.45 is: 86,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.05 : 161,888.18 = 57,381.45 : x
  2. Step 2: Convert to fraction form
    107,974.05/161,888.18 = 57,381.45/x
  3. Step 3: Cross multiply
    107,974.05x = 161,888.18 × 57,381.45
  4. Step 4: Simplify right side
    107,974.05x = 9,289,378,219.35
  5. Step 5: Solve for x
    x = 9,289,378,219.35/107,974.05
  6. Step 6: Final answer
    x = 86,033.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.